Attributive form of middle finger, noun.(adjective)
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Use "middle-finger" in a sentence
"The guy in the pickup ahead of him hoisted a middle-finger salute in response."
"A film about Polish actors under Nazi rule, it was a middle-finger salute to Hilter & Co., an angry but hilarious raspberry meant to mock all that was going wrong in the world at that time."
"One of the allies was filmed by TV cameras responding with an extended middle-finger."